(I have an excellent memory. I work at a tool store and have memorized every model number. When customers walk up to the counter, I type in the numbers and give them the total before they put the items down. )

Me: “That’ll be [total].”

Customer: “How did you do that? You didn’t scan anything.”

Coworker: “He’s ‘Rain Man.’ He has everything in this store memorized.”

(The customer grabs a random saw blade from a nearby stack.)

Customer: “What about this?”

(I rattle off the price, UPC, and price with tax.)

Customer: “Ha! That isn’t the model number.”

Coworker: “Look at the barcode.”

(The customer reads the 12-digit number, and is dumbfounded.)

Me: “To be fair those things never scan. It’s one of the UPCs I have memorized.”

Customer: “So… want to go Vegas?”

(I’m now a network engineer and shock my coworkers constantly with how I have the entire network’s IP and subnets memorized. I earned the nickname ‘Rain Man’ again.)